V4L/DVB (12851): cx25821/Makefile: Cleanup

Remove an extra line that it is not needed

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/staging/cx25821/Makefile b/drivers/staging/cx25821/Makefile
index 14b3af1..10f87f0 100644
--- a/drivers/staging/cx25821/Makefile
+++ b/drivers/staging/cx25821/Makefile
@@ -12,5 +12,3 @@
 EXTRA_CFLAGS += -Idrivers/media/common/tuners
 EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-core
 EXTRA_CFLAGS += -Idrivers/media/dvb/frontends
-
-EXTRA_CFLAGS += $(extra-cflags-y) $(extra-cflags-m)